{"product_id":"red-line-lead-substitute-fuel-additive-12-oz-protects-valve-seats-cleans-injectors","title":"Red Line Lead Substitute Fuel Additive, 12 oz — Protects Valve Seats \u0026 Cleans Injectors","description":"\u003cp\u003e\u003cstrong\u003eRed Line 60202 Lead Substitute is a 12-ounce fuel additive formulated to protect valve seats in engines built for leaded gasoline while cleaning carburetor deposits and fuel injectors.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis concentrated formula is designed for race, marine, and off-road applications where older engines require the cushioning effect of lead or where valve seats have not been upgraded for unleaded fuel. Each 12-ounce bottle treats up to 25 gallons of fuel and is safe for catalytic converters, offering a maintenance-minded way to preserve engine components and improve fuel-system cleanliness without altering fuel octane.\u003c\/p\u003e\n\n\u003ch3\u003eHow does Red Line 60202 protect valve seats in engines designed for leaded gasoline?\u003c\/h3\u003e\n\u003cp\u003eThe additive contains compounds that mimic the lubricity once provided by leaded fuel, forming a protective film on valve seats to reduce impact wear. This lowers the chance of valve seat recession in engines that lack hardened seats, helping older or competition engines maintain valve sealing integrity under demanding conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eForms protective lubricating film on valve seats.\u003c\/li\u003e\n  \u003cli\u003eReduces impact wear and potential valve seat recession.\u003c\/li\u003e\n  \u003cli\u003eUseful for pre-1970s or non-hardened valve-seat engines in racing and marine use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill using this product harm my catalytic converter or oxygen sensors?\u003c\/h3\u003e\n\u003cp\u003eRed Line 60202 is formulated to be safe for catalytic converters and oxygen sensors when used as directed. It cleans fuel-system deposits without leaving residues that typically harm emissions equipment, making it appropriate for engines that still rely on catalytic control when used in allowed environments.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSafe for catalytic converters and O2 sensors per manufacturer formulation.\u003c\/li\u003e\n  \u003cli\u003eDesigned to avoid deposit-forming residues in exhaust systems.\u003c\/li\u003e\n  \u003cli\u003eRecommended for racing, marine, and off-road applications where allowed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this additive improve fuel-system cleanliness and performance?\u003c\/h3\u003e\n\u003cp\u003eIn addition to valve-seat protection, the formula contains detergents that dissolve carburetor varnish and clear injector deposits. Cleaner fuel pathways support steadier fuel flow and more consistent combustion, which can help throttle response and reduce hesitation in high-demand situations.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRemoves carburetor deposits and injector fouling.\u003c\/li\u003e\n  \u003cli\u003eSupports consistent fuel flow and smoother throttle response.\u003c\/li\u003e\n  \u003cli\u003eOne 12-ounce bottle treats up to 25 gallons of fuel.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I use Red Line 60202 for best results?\u003c\/h3\u003e\n\u003cp\u003eShake the bottle, then add the measured dose to the fuel tank before filling, or follow Red Line dosing instructions for race or marine setups. Use the product per recommended dosing rates—one bottle treats up to 25 gallons—to ensure proper protection and cleaning without overdosing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eShake bottle before use; add to fuel tank as instructed.\u003c\/li\u003e\n  \u003cli\u003eEach 12-ounce bottle treats up to 25 gallons of fuel.\u003c\/li\u003e\n  \u003cli\u003eIntended for racing, marine, and off-road use where lead substitutes are permitted.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Red Line 60202 is aimed at owners and technicians of older or performance engines—race cars, marine craft, and off-road machines—that were designed for leaded gasoline or that have not had valve seats upgraded. It’s a practical option for teams and hobbyists seeking to protect valve seats during competition or recreational use while also cleaning carburetors and injectors. It is not intended as a day-to-day consumer street-vehicle additive where local regulations prohibit such use; always follow local laws and manufacturer recommendations.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use Red Line 60202 in street-driven cars?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This product is formulated for racing, marine, and off-road use; check local regulations and vehicle manufacturer guidance before using on street-driven vehicles.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How much fuel does one 12-ounce bottle treat?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: One 12-ounce bottle treats up to 25 gallons of fuel when used at the recommended dosage.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Red Line","offers":[{"title":"Default Title","offer_id":67593881223353,"sku":"B000A8FJ12","price":52.51,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/red-line-60202-front-label.jpg?v=1790580223","url":"https:\/\/redleafauto.ca\/products\/red-line-lead-substitute-fuel-additive-12-oz-protects-valve-seats-cleans-injectors","provider":"Redleaf Auto","version":"1.0","type":"link"}